| Test Navigator properties. | |
| This tests that gc does not destroy the WorkerNavigator and WorkerLocation wrappers if the WorkerContext is still active. You should see two PASSes below if this test succeeds. | |
| navigator.foo = 'PASS'; gc(); navigator.foo: PASS | |
| location.foo = 'PASS'; gc(); location.foo: PASS | |
| DONE | |